From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Cure Subject: Re: performance trouble Date: Fri, 17 Feb 2012 15:01:07 +0100 Message-ID: <20120217140107.GA26955@nfs-rbx.ovh.net> References: <20120202104148.GN26955@nfs-rbx.ovh.net> <20120203085944.GO26955@nfs-rbx.ovh.net> <4F2E4E1A.5000700@redhat.com> <20120210100930.GW26955@nfs-rbx.ovh.net> <4F3A6260.7050208@redhat.com> <20120214134030.GD18866@redhat.com> <20120216085553.GX26955@nfs-rbx.ovh.net> <20120216090126.GC19771@redhat.com> <20120217085939.GZ26955@nfs-rbx.ovh.net> <20120217100714.GB29601@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Avi Kivity , kvm@vger.kernel.org, Vadim Rozenfeld To: Gleb Natapov Return-path: Received: from gandalf.cure.nom.fr ([91.121.137.146]:40276 "EHLO gandalf.cure.nom.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751579Ab2BQOBN (ORCPT ); Fri, 17 Feb 2012 09:01:13 -0500 Content-Disposition: inline In-Reply-To: <20120217100714.GB29601@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Le Fri, Feb 17, 2012 at 12:07:14PM +0200, Gleb Natapov ecrivait : > > > > Can you do the trace again with -no-hpet on the command line? > > > > Is there a way to only trace events on specific VM ? > > > -P pid ok. I take a trace of the VM with 1 user : start trace just before to launch slowly function and stop trace just after the function finish. the report is available here http://www.roullier.net/report-no-hpet.txt.gz I hope you can see something strange, David.